How am I supposed to set up a problem like this:

y = x-8

y = 3x

7x - 9y = 23 find the value of y when x equals 11

Write in expanded form. Useto indicate multiplication. 5 2

Given right triangle JKM, which correctly describes the locations of the sides in relation to ∠J? a is the hypotenuse, b is adjacent, c is opposite a is the hypotenuse, b is opposite, c is adjacent a is adjacent, b is opposite, c is the hypotenuse a

What is the degree of the polynomial. Xy+3x^2-7+x A. 2 B. 4 C. 3 D. 1

Round 5.71 to the nearest whole number

Solve for x. x - 2 2 + 1 = 4x - 5 3 A) x = 3 B) x = 1 C) x = - 3 D) x = - 2

Is 8.47 L greater than 10

What goes into 125 and 560 evenly

The ratio of a model car to the size of an actual car is 1:40. If the model is 4.5 inches long, what is the length of the full size car in inches and in feet?

Spencer is asked to factor the polynomial 256x^4y^2-y^2 completely over the integers. His work is shown below.